22720712

素因数分解:

$2^3\times 7^2\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 50017500

約数和(自身を除く): 27296788

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 149, 196, 298, 389, 392, 596, 778, 1043, 1192, 1556, 2086, 2723, 3112, 4172, 5446, 7301, 8344, 10892, 14602, 19061, 21784, 29204, 38122, 57961, 58408, 76244, 115922, 152488, 231844, 405727, 463688, 811454, 1622908, 2840089, 3245816, 5680178, 11360356, 22720712]

約数ペア:

[(1, 22720712), (2, 11360356), (4, 5680178), (7, 3245816), (8, 2840089), (14, 1622908), (28, 811454), (49, 463688), (56, 405727), (98, 231844), (149, 152488), (196, 115922), (298, 76244), (389, 58408), (392, 57961), (596, 38122), (778, 29204), (1043, 21784), (1192, 19061), (1556, 14602), (2086, 10892), (2723, 8344), (3112, 7301), (4172, 5446)]